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Iskovskikh Seminar
March 3, 2016 18:00, Moscow, Steklov Mathematical Institute, room 540
 


Del Pezzo threefolds and the Cremona group

A. Avilov

National Research University "Higher School of Economics" (HSE), Moscow

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Abstract: In this talk I will tell about a classification of rational $G$-del Pezzo threefolds which have no birational maps to more simple $G$-varieties and have no structures of $G$-Mori fibration with the base of positive dimension. Such varieties give us new finite subgroups in the Cremona group of rank $3$.

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